OneShot: Sniper Assassin is a first-person real sniper shooter game where players are tasked with eliminating leaders of Chinese triads, preventing theft of Russian secret information, taking down mafia bosses, and dealing with FBI traitors. The game features a variety of modern sniper weapons set in a world of criminals and traitors, all within the immersive experience of OneShot: Sniper Assassin.

Players assume the role of a secret agent from a special department of the Secret Service, carrying out missions with precision and stealth. The game offers realistic elements such as the parabolic trajectory of bullets, wind dynamics, and a range of deadly weapons. With an easy-to-use interface and action-packed gameplay, players can expect challenges like facing enemy snipers and completing missions under varying conditions like heavy rain and night settings.